VERY STRONG: Made from brushed stainless steel, our 'DOOR RELEASE' button lasts a long time and stays strong even in busy places EASY TO PUT UP: Surface mount design ensures a straightforward, hassle-free installation process that doesn't require professional assistance WORKS WITH MANY SYSTEMS: Compatible with most access control systems, this exit button is suitable for commercial, residential, and industrial buildings EASY TO USE: With a simple press to exit mechanism, this button is user-friendly and allows for quick and easy building exit LOOKS NICE: This button has a smooth and shiny design made of metal that goes well with modern buildings and blends in nicely with contemporary interior style and decorations COMPLETE PACKAGE: Includes stainless steel door release button with surface housing, cables, standard 3.5mm screws, and wiring instructions for convenient setup TECHNICAL SPECIFICATIONS: Round door release button features output contact COM/NO COM/NC with voltage rating of 5A/125/250Vac, suitable for all door types, Manufacturer: Amalocks